1. Department of Blood Cell Research, Sanquin Research and Landsteiner Laboratory, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands;
2. Department of Cell Biology, Erasmus MC, Rotterdam, The Netherlands;
3. Department of Molecular Cell Biology, Sanquin Research and Landsteiner Laboratory, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands;
4. Division of Cell Biology, The Netherlands Cancer Institute, Amsterdam, The Netherlands;
5. Center for Biomics, and
6. Proteomics Center, Erasmus MC, Rotterdam, The Netherlands; and
7. Institute of Molecular Biology and Tumor Research, Philipps-University Marburg, Marburg, Germany